Click on the Cancel button or the Reschedule button.
When you click on the Cancel button, you’ll be asked “Are you sure you want to cancel this appointment?” and you have to click on Yes or No.
When you click on the Reschedule button, it will bring you through the process of finding you another appointment time. Once you book this new appointment time, it will replace the old appointment time. You can check this new appointment time by clicking on the 3 bars in the top right corner, the clicking on Appointments and all Future Appointments will be shown.